单词：reflector rod
单词：reflector rod 相关文章
All That Is Beautiful Poems and Passages of Life 闭上眼睛，细数你生命中最美丽的瞬间 在寒冷的日子里接到远方朋友暖暖的问候； 读到一篇优美的诗歌，馨香绕怀久久不忘； 看到白浪银沙和地平线，第
世界上最美丽的英文-人生短篇
In 1970, the Soviet Union put a laser reflector on the moon, carried by a rover. A few months later, it disappeared. Some speculated that the rover had fallen into a crater or parked in such a way as to render the reflector inaccessible. Now after 40
Scientific American(四)月
据《科学》杂志报道，苏联的月球车40年前在月球表面留下了激光反射器，虽然经过多年的搜寻科学家始终没有发现激光反射器的踪迹。 4月22日，一组物理学家终于发现了来自反射器的微弱闪
60秒科学
Gain - This is an increase in signal power, due to a boost from an electronic device. Garbage - These are unwanted characters that appear because of either incorrect settings or noise. Gate - These ar
电信英语
Academic ListeningPart 2 - Lectures: IntroductionThis programme was first broadcast in 2001. This is not an accurate word-for-word transcript of the programme. ANNOUNCER: Its time for Academic Listening - a series for students at English-speaking un
英语讨论
听歌学英语:摇滚巨星Rod Stewart的Sailing(远航) Artist: Rod Stewart Style: Rock I am sailing ! I am sailing ! Home again 'cross the sea. I am sailing stormy waters To be near U ! To be free ! I am flying ! I am flying ! Like a bird 'cross t
听歌学英语
Sailing远航-Rod Stewart经典歌曲 I am sailing, I am sailing Home again across the sea; I am sailing stormy waters, To be near you, to be free. I am flying, I am flying like a bird across the sky. I am flying, passing high clouds To be with you,
流行英文歌曲
The Five-hundred-meter wide Aperture Spherical Telescope, or FAST, is now operational in the mountains of Guizhou in southwest China. FAST has been designed to help Chinese researchers better understand our universe, as well as probe the cosmos for e
2016CRI中国国际广播电台
Bart's upstairs neighbor was driving him nuts. He made all kinds of strange noises at all kinds of strange hours. If I tell my neighbor he's noisy, he won't believe me, Bart thought. He'll believe me only if he lives downstairs and hears himself upst
英文短篇故事（纽约）
By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti
VOA常速英语2007年（十一月）
US Could by 2017 Be World's Biggest Oil Producer The International Energy Agency says that by 2017 the United States is likely to overtake Saudi Arabia as the world's biggest oil producer. The Paris-based energy agency said Monday in its annual forec
英语新闻
Improving Productivity by Improving Lighting We all know that our surroundings affect our ability to get work done, from that irritating buzzing from the next cubicle over to the uncomfortable chair causing our back pain. But what about lighting? Has
阅读空间
The Productivity Tricks and Daily Habits of Famous People Famous visionaries often develop a reputation for having a few eccentricities. However, for many people, these small eccentricities are part of a larger group of daily rituals that help them t
阅读空间
The construction of the project was started in 2011 with an investment of 1.2-billion yuan, or about 180 million US dollars. The 500 metre Aperture Spherical Telescope, or FAST, is the size of 30 football fields. It's located in a hollow that was for
2016CRI中国国际广播电台